1. Suitable for DIY and house maintenance This tool is used in various wood DIY projects, wood carving, model making, pet house building, house maintenance, and other woodworking tasks. It's a carving tool for creating personal works. It comes in 5 different sizes (3mm, 4mm, 5mm, 6mm, 8mm) to meet different needs. 2. Material Made of high - speed steel, it has a relatively long service life, is strong and sharp, corrosion - resistant and wear - resistant. The 5 carving tools are packaged in a transparent box. 3. Three - edge design It's more efficient and is a tool for fine work such as deep grooves, V - shaped grooves, curved patterns, and lines. The three - edge design allows chips to be automatically and quickly discharged from the side holes. It's suitable for carving, engraving, sanding, drilling, etc., and can leave a smooth surface. 4. Universal tool shank The 1/8 - inch tool shank is suitable for many rotary tools with three - jaw chucks and is easy to replace. 5. Universal tool holder The 1/8 - inch tool shank is suitable for many rotary tools and drills and is easy to replace.